\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Cross-Candidate Communication and In-Party Candidate Support\label{tab:ccnolean}}
\begin{tabular}{l*{1}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}   \\
                &            \\
                &      b/p   \\
\hline
Candidate Support&            \\
RCV Comp.       &    0.069   \\
                &  (0.648)   \\
RCV Comp. + Endorse&   -0.963***\\
                &  (0.000)   \\
Constant        &    1.816***\\
                &  (0.000)   \\
\hline
Psuedo R$^2$    &     0.04   \\
\textit{N}      &     2208   \\
\hline\hline
\end{tabular}
\end{table}
